Preheat oven to 325F. Place turkey, breast up on a rack in roasting pan. Let sit half an hour. Mix butter, liquid smoke, and Johnny’s Seasoning Salt together in a small bowl. Brush half of the butter mixture onto the turkey. Put in oven for 2 hours. Open oven door and quickly brush the remaining butter mixture evenly over the turkey. Return to oven and continue to roast until done 1-3 hours depending on the size of turkey. Let rest half and hour before carving. Enjoy!